Crystal resonator for a bio-sensor



FIG. 1 is a perspective view of a crystal resonator for a bio-sensorshowing a new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a cross-sectional view taken along line 5—5 of FIG. 2.

FIG. 6 is a front elevational view thereof;

FIG. 7 is a rear elevational view thereof; and,

FIG. 8 is a cross-sectional view taken along line 8—8 of FIG. 2.

The ornamental design for a crystal resonator for a bio-sensor, as shownand described.